1222086 has 16 divisors (see below), whose sum is σ = 2455344. Its totient is φ = 405504.

The previous prime is 1222063. The next prime is 1222097. The reversal of 1222086 is 6802221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (153459).

2^1222086 is an apocalyptic number.

1222086 is an abundant number, since it is smaller than the sum of its proper divisors (1233258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222086 is a wasteful number, since it uses less digits than its factorization.

1222086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1222086 is about 1105.4799862503. The cubic root of 1222086 is about 106.9138386936.

The spelling of 1222086 in words is "one million, two hundred twenty-two thousand, eighty-six".